Home / 8,812.89-13,208.36-4,126.82

Finding the Fourth Proportional to 8,812.89, 13,208.36 and 4,126.82

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Solution

The fourth proportional to 8,812.89, 13,208.36 and 4,126.82 is: 6,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.89 : 13,208.36 = 4,126.82 : x
  2. Step 2: Convert to fraction form
    8,812.89/13,208.36 = 4,126.82/x
  3. Step 3: Cross multiply
    8,812.89x = 13,208.36 × 4,126.82
  4. Step 4: Simplify right side
    8,812.89x = 54,508,437.54
  5. Step 5: Solve for x
    x = 54,508,437.54/8,812.89
  6. Step 6: Final answer
    x = 6,185.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.